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Cheap flights from Washington, D.C. Dulles Intl Airport to Knock from $908

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Knock departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
1:05 pm - 8:20 pm
NOC
-
IAD
12h 15m
1 stop
$908British Airways
Wed, Aug 26 - Wed, Sep 2
British Airways Logo
10:27 am - 12:35 pm
IAD
-
NOC
21h 08m
2 stops
British Airways Logo
1:05 pm - 7:40 pm
NOC
-
IAD
11h 35m
1 stop
$912British Airways
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
8:15 am - 12:35 pm
IAD
-
NOC
23h 20m
2 stops
Multiple Airlines Logo
1:05 pm - 11:21 am
NOC
-
IAD
27h 16m
2 stops
$926Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
10:14 pm - 12:35 pm
IAD
-
NOC
33h 21m
2 stops
Multiple Airlines Logo
1:05 pm - 11:13 am
NOC
-
IAD
51h 08m
2 stops
$959Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Multiple Airlines Logo
6:30 pm - 12:35 pm
IAD
-
NOC
13h 05m
1 stop
Multiple Airlines Logo
1:05 pm - 2:22 pm
NOC
-
IAD
30h 17m
2 stops
$1,005Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
British Airways Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
1:05 pm - 6:50 pm
NOC
-
IAD
58h 45m
2 stops
$1,132British Airways
Wed, Aug 26 - Sun, Aug 30
British Airways Logo
1:23 pm - 12:35 pm
IAD
-
NOC
18h 12m
2 stops
British Airways Logo
1:05 pm - 6:50 pm
NOC
-
IAD
58h 45m
2 stops
$1,136British Airways
Wed, Aug 26 - Sun, Aug 30
British Airways Logo
1:23 pm - 12:35 pm
IAD
-
NOC
18h 12m
2 stops
British Airways Logo
1:05 pm - 6:50 pm
NOC
-
IAD
58h 45m
2 stops
$1,137British Airways
Wed, Aug 26 - Sun, Aug 30
British Airways Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
1:05 pm - 5:25 pm
NOC
-
IAD
33h 20m
1 stop
$1,140British Airways
Wed, Aug 26 - Sun, Aug 30
British Airways Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
1:05 pm - 5:25 pm
NOC
-
IAD
33h 20m
1 stop
$1,159British Airways
Wed, Aug 26 - Sun, Aug 30

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British Airways flights from Washington, D.C. Dulles Intl Airport to Knock

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Knock flight tickets
British Airways
Aug 26
IAD5:45 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35 pmKnock Intl
Sep 2
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$908
British Airways
Aug 26
IAD10:27 amWashington, D.C. Dulles Intl
21h 08m
2 stops
NOC12:35 pmKnock Intl
Sep 2
NOC1:05 pmKnock Intl
11h 35m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
$912
British Airways
Aug 26
IAD5:45 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35 pmKnock Intl
Aug 30
NOC1:05 pmKnock Intl
58h 45m
2 stops
IAD6:50 pmWashington, D.C. Dulles Intl
$1,132

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Knock

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Knock flight tickets
Aer Lingus
Aug 11
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Aug 17
NOC1:05 pmKnock Intl
31h 40m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$1,212
Aer Lingus
Jul 25
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Aug 8
NOC1:05 pmKnock Intl
35h 20m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$5,564

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Knock that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Wed 9/2

1:05 pm-8:20 pm

1 stop12h 15m

$908

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

10:27 am-12:35 pm

2 stops21h 08m

Knock Intl

Wed 9/2

1:05 pm-7:40 pm

1 stop11h 35m

$912

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

8:15 am-12:35 pm

2 stops23h 20m

Knock Intl

Wed 9/2

1:05 pm-11:21 am

2 stops27h 16m

$926

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 8/3

10:14 pm-12:35 pm

2 stops33h 21m

Knock Intl

Mon 8/10

1:05 pm-11:13 am

2 stops51h 08m

$959

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 8/3

6:30 pm-12:35 pm

1 stop13h 05m

Knock Intl

Mon 8/10

1:05 pm-2:22 pm

2 stops30h 17m

$1,005

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Sun 8/30

1:05 pm-6:50 pm

2 stops58h 45m

$1,132

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

1:23 pm-12:35 pm

2 stops18h 12m

Knock Intl

Sun 8/30

1:05 pm-6:50 pm

2 stops58h 45m

$1,136

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

1:23 pm-12:35 pm

2 stops18h 12m

Knock Intl

Sun 8/30

1:05 pm-6:50 pm

2 stops58h 45m

$1,137

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Sun 8/30

1:05 pm-5:25 pm

1 stop33h 20m

$1,140

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Sun 8/30

1:05 pm-5:25 pm

1 stop33h 20m

$1,159

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Knock?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Knock from Washington, D.C. Dulles Intl Airport according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Knock. Keep in mind that there are 3 different airlines that fly to Knock on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. Dulles Intl Airport to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Knock (IAD to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Knock

Fastest flight time

33h 21m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Knock takes 33h 21m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Knock. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Knock.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Knock

  • How far is Washington, D.C. Dulles Intl to Knock Intl by plane?

    The distance between Washington, D.C. Dulles Intl and Knock Intl is about 3280.8 mi. 33h 21m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The required travel and health documents for your Knock Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Newport

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Knock flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Knock.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Knock now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knock and let you know when they change.

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